Terence S. Andre, Robert C. Williges, & Hartmut Hartson (2001)
International Journal of Human-Computer Studies, 54(1), 107-136.
DOI: https://doi.org/10.1006/ijhc.2000.0441
Abstract. Andre, Williges, and Hartson's User Action Framework — a structured method for classifying usability problems by interaction-cycle stage (planning, translation, physical, outcome, assessment). The reference cited in usability-classification literature.
Tags: heuristic-evaluation framework classification